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Provedor de dados:  Acta biol.Colomb.
País:  Colombia
Título:  INTEGRATING CHEMICAL AND BIOLOGICAL STATUS ASSESSMENT: ASSEMBLING LINES OF EVIDENCE FOR THE EVALUATION OF RIVER ECOSYSTEM RISK
Autores:  MUÑOZ,ISABEL
SABATER,SERGI
Data:  2014-03-01
Ano:  2014
Palavras-chave:  Bioassay
Chemical indicators
Ecological status
Weight of evidence
Resumo:  This paper describes various approaches to evaluating ecological risk in rivers affected by multiple chemical stressors, with emphasis on biofilm and invertebrate community responses. Metrics should be considered as different lines of evidence that, when weighted, form an advanced weight of evidence approach to establishing the environmental risk on a basin scale. Combination of field surveys to obtain observational data of communities, in situ experiments, toxicological sediment tests and a good chemical description of the medium (water and sediment) helps give an integrative view of the chemical and biological state of a river ecosystem. The greater and more distinct the variables used, the greater is our ability to identify the effects of major stressors impairing communities. Weight of evidence is an integrative methodology for tackling the challenge of determining causal relations and applying this knowledge in the decision-making processes of river management.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-548X2014000100003
Editor:  Universidad Nacional de Colombia, Facultad de Ciencias, Departamento de Biología
Relação:  10.15446/abc.v19n1.38461
Formato:  text/html
Fonte:  Acta Biológica Colombiana v.19 n.1 2014
Direitos:  info:eu-repo/semantics/openAccess
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